# ISO 789-1:1990 — Withdrawn and superseded ISO standards

For ISO 789-1:1990, item title is Agricultural tractors — Test procedures — Part 1: Power tests for power take-off; status code is 9599; successor is ISO 789-1:2018; withdrawn / published date is 1990-10-25, recorded from its source on 2026-08-05.

- **Identifier:** ISO 789-1:1990 _(verified: appears in the quote below)_
- **Item title:** Agricultural tractors — Test procedures — Part 1: Power tests for power take-off _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 789-1:2018
- **Withdrawn / published date:** 1990-10-25 _(verified: appears in the quote below)_

## What the source says

> 5110,IS,,ISO 789-1:1990,Agricultural tractors — Test procedures — Part 1: Power tests for power take-off,Tracteurs agricoles — Méthodes d'essai — Partie 1: Essais de puissance à la prise de force,1990-10-25,2,['65.060.10'],ISO/TC 23/SC 2,9599,"[5108,5109]",[66436],"['en','fr']",10,"<p>This part is the first of a series of eight. Specifies procedure for determining the power available at the power take-off, drawbar and belt pulley on tractors. Contains definitions and permissible measurement tolerances. Annex A includes a specimen test report. The measurement of tyre tread is given in annex B.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).